# 01_sparkStreaming2StarRocks
## Demonstration Description
Streaming computing the UV metric for each time period on a realtime Dashboard.
### DataFlow
> mimic -> Kafka -> spark streaming -> stream load -> StarRocks -> zeppline UI (chart)
## Preparations
### 1. Kafka
Pull a docker-landoop as local testing environment ( Deploy your own Kafka cluster works as well. ) .
```
### Get docker-landoop：
docker pull landoop/fast-data-dev
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